..When comparing the hospital-owned and physician-owned family practice groups, the statistical analysis of these data suggest that the underlying distinctions are driven by differences in the volume of patients and volume of procedures...

The cost of health insurance administration in California: estimates for insurers, physicians, and hospitals

..Lacking preparation, those offices can suffer some of the first casualties. Physicians and their administrators in ambulatory practices must be able to recognize and plan for a potential bioterrorism attack...